CVE-2020-37166

AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate.

Score

CVSS 4.0 6.9 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2026-02-07

Last modified

2026-10-01

Weaknesses

CWE-120

Affected products

• Absolutetelnet (Celestialsoftware)

References

• https://www.celestialsoftware.net/
• https://www.exploit-db.com/exploits/48010
• https://www.vulncheck.com/advisories/absolutetelnet-sshusername-denial-of-service